An isoparametric 2D quadrilateral with 3 DOFS per Node?

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Ahmed Hossam 2017-4-16

编辑： Ahmed Hossam 2017-4-16

Hi,

Is it possible to define an isoparametric linear 2D finite element with three DOFS (ui,vi,wi) per node i?

I only see the isoparametric 2D quadrilateral has 2 DOFS (ui,vi) per Node i everywhere.

I couldn't find any Information about an isoparametric 2D quadrilateral with 3 DOFS per node.

Can anybody help?

Thank you for your answer in advance.

Regards

Ahmed Hossam

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